Henderson Water Quality Report
3 cities ranked · Average grade: A- · Illinois
Avg Score
87
Cities Ranked
3
Health Violations
1
PFAS Detected
0
87
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
1
Health violations
0
PFAS detected
Grade Distribution
How Henderson cities scored
A
2
67%
Excellent
B
1
33%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs Illinois average
▲ 7.3 pts above state average
City Map
Water quality across Henderson
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Henderson
Best cities
Worst cities
County context
90.8%
of residents on fluoridated water (CDC, 2020)
Full Rankings
All 3 cities in Henderson
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Oquawka | A+ | 95.4 | 1K | 6 | ||
| 2 | Stronghurst | A- | 85.2 | 950 | 41 | Unresolved | |
| 3 | Dallas City | B+ | 80.3 | 7K | 14 | Health Unresolved |